Other bacteria that can cause them include staphylococcus, proteus, klebsiella, enterococcus, and pseudomonas. Some bladder infections in both men and women are linked to two sexually transmitted bugs: Chlamydia trachomatis and mycoplasma. Another parasite, trichomonas, can cause similar symptoms.
Definition of melancholia. : a mental condition and especially a manic-depressive condition characterized by extreme depression, bodily complaints, and often hallucinations and delusions.
In humans, melanin production is important for the prevention of skin cancers, such as melanoma. This means that the skin becomes darker in most individuals when exposure to sunlight increases. Additionally, overgrowth of melanocytes can lead to the development of moles in the skin.